value | category | cases | |
---|---|---|---|
1998 | 16 |
0.5%
|
|
1999 | 151 |
4.3%
|
|
2000 | 380 |
10.9%
|
|
2001 | 759 |
21.8%
|
|
2002 | 1208 |
34.6%
|
|
2003 | 914 |
26.2%
|
|
9997 | Inconsistent | 61 |
1.7%
|
9998 | DK | 0 |
0%
|
Sysmiss | 8988 |